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Finding the Third Proportional to 4,239,117 and 9,181,962

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Solution

The third proportional to 4,239,117 and 9,181,962 is: 19,888,204.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,239,117 : 9,181,962 = 9,181,962 : x
  2. Step 2: Convert to fraction form
    4,239,117/9,181,962 = 9,181,962/x
  3. Step 3: Cross multiply
    4,239,117x = 9,181,962 × 9,181,962
  4. Step 4: Simplify right side
    4,239,117x = 84,308,426,169,444
  5. Step 5: Solve for x
    x = 84,308,426,169,444/4,239,117
  6. Step 6: Final answer
    x = 19,888,204.59

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.